Command Line Reference Guide

Intermediate System to Intermediate System (IS-IS) | 793
debug isis snp-packets
e
Enable debugging on a specific interface and provides diagnostic information to debug IS-IS complete
sequence number PDU (CSNP) and partial sequence number PDU (PSNP) packets.
Syntax
debug isis snp-packets [interface]
To turn off debugging, enter the no debug isis snp-packets [interface] command.
Parameters
Command Modes
EXEC Privilege
debug isis spf-triggers
e
Enable debugging on the events that triggered IS-IS shortest path first (SPF) events for debugging
purposes.
Syntax
debug isis spf-triggers
To turn off debugging, enter no debug isis spf-triggers.
Command Modes
EXEC Privilege
debug isis update-packets
e
Enable debugging on Link State PDUs (LSPs) that are detected by a router.
Syntax
debug isis update-packets [interface]
To turn off debugging, enter the no debug isis update-packets [interface] command.
interface
(OPTIONAL) Identifies the interface type slot/port as one of the following:
• For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet followed by the slot/
port information.
• For a Port Channel interface, enter the keyword
port-channel followed by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword
sonet followed by the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet followed by
the slot/port information.
• For a VLAN, enter the keyword vlan followed by a number from 1 to 4094.